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Diagnose/P0023
P0023Medium SeverityEngine

Exhaust Camshaft Position Actuator Circuit (Bank 2)

What This Means

The VVT oil control valve circuit for the exhaust camshaft on bank 2 has a malfunction. This actuator controls exhaust valve timing on the bank opposite cylinder 1.

Common Symptoms

  • Rough idle
  • Poor fuel economy
  • Reduced power
  • Check engine light on

Common Causes

  • Faulty exhaust VVT solenoid
  • Wiring damage
  • Dirty oil restricting flow
  • Clogged oil passage
  • PCM driver issue

Estimated Repair Cost

$100 – $600
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.